A survey of 2317 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 422 have donated blood in the past two years. Complete parts through (c) below. (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample a simple random sample, the value of less than or equal to 5% of the (Round to three decimal places as needed.) is which is 10, and the (c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years. Select the correct choice below and fi any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) OA. We are % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and OB. There is a % chance the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and
A survey of 2317 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 422 have donated blood in the past two years. Complete parts through (c) below. (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. (Round to three decimal places as needed.) (b) Verify that the requirements for constructing a confidence interval about p are satisfied. The sample a simple random sample, the value of less than or equal to 5% of the (Round to three decimal places as needed.) is which is 10, and the (c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years. Select the correct choice below and fi any answer boxes within your choice. (Type integers or decimals rounded to three decimal places as needed. Use ascending order.) OA. We are % confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and OB. There is a % chance the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between and
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Pls explain the concept. Also, the excel formula used for obtaining the required value of z.
Transcribed Image Text:A survey of 2317 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 422 have donated blood in the past two years. Complete parts (a)
through (c) below.
(a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years.
p=
(Round to three decimal places as needed.)
(b) Verify that the requirements for constructing a confidence interval about p are satisfied.
The sample
a simple random sample, the value of
less than or equal to 5% of the
(Round to three decimal places as needed.)
is, which is
10, and the
(c) Construct and interpret a 90% confidence interval for the population proportion of adults in the country who have donated blood in the past two years. Select the correct choice below and fill in
any answer boxes within your choice.
(Type integers or decimals rounded to three decimal places as needed. Use ascending order.)
OA. We are
% confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between
and
OB. There is a
% chance the proportion of adults in the country aged 18 and older who have donated blood in the past two years is between
and
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